No longer. Over the past weekend Turkey sent a substantial armored military force through Syrian territory to the site, rescuing 38 Turkish soldiers threatened by ISIS. They also destroyed the site and retrieved the remains of Suleyman Shah.
A new site is planned just 200 meters inside Syria, retaining its claim to territory inside Syria but moving it closer to Turkey. (In fact, the tomb had been relocated before, when Lake Asad was built.
The Asad government has denounced the operation, and some Turkish opposition parties have denounced it as surrendering national territory.